
$48.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Designed in cooperation with Grand Idea Studio, the Parallax Radio Frequency Identification (RFID) Read/Write Module provides a low-cost solution to read and write passive RFID transponder tags up to 3 inches away. The RFID transponder tags provide a unique serial number and can store up to 116 bytes of user data, which can be password protected to allow only authorized access. The RFID Read/Write Module can be used in a wide variety of hobbyist and commercial applications, including access control, user identification, robotics navigation, inventory tracking, payment systems, car immobilization, and manufacturing automation. Features: Low-cost method for reading and writing passive, 125 kHz RFID transponder tags Up to 116 bytes of user data storage on a single tag Optional security features prevent tag from being read or written without password Bi-color LED for visual indication of status Application Ideas: Personnel entry system Keyless entry system Equipment/package tracking Details: Voltage requirements: 5 VDC Current requirements: < 10 mA idle, approx. 100-200 mA active Communication: asynchronous serial 9600 bps, (8N1); 5 V TTL-level, non-inverted Dimensions: 3.25 x 2.45 in (8.26 x 6.2 cm) Operating temp range: +32°F to +158°F (0°C to +70°C)
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$48.99